var gaodeVector = new ol.layer.Tile({
  title: '高德地图-影像',
  source: new ol.source.XYZ({
    url: 'http://wprd0{1-4}.is.autonavi.com/appmaptile?lang=zh_cn&size=1&style=7&x={x}&y={y}&z={z}',
    wrapX: false,
  }),
});

var gaodeImage = new ol.layer.Tile({
  title: '高德地图-矢量',
  source: new ol.source.XYZ({
    url: 'http://wprd0{1-4}.is.autonavi.com/appmaptile?lang=zh_cn&size=1&style=6&x={x}&y={y}&z={z}',
    wrapX: false,
  }),
});
var gaodeVector2 = new ol.layer.Tile({
  title: '高德地图-影像',
  source: new ol.source.XYZ({
    url: 'http://wprd0{1-4}.is.autonavi.com/appmaptile?lang=zh_cn&size=1&style=7&x={x}&y={y}&z={z}',
    wrapX: false,
  }),
});

var gaodeImage2 = new ol.layer.Tile({
  title: '高德地图-矢量',
  source: new ol.source.XYZ({
    url: 'http://wprd0{1-4}.is.autonavi.com/appmaptile?lang=zh_cn&size=1&style=6&x={x}&y={y}&z={z}',
    wrapX: false,
  }),
});
